How severe is CVE-2018-18766?

CVE-2018-18766 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-18766 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18766?

CVE-2018-18766 affects Provisio Sitekiosk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18766?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-18766 published?

CVE-2018-18766 was published on 2019-03-29 and last updated on 2026-06-17.

CVE-2018-18766

CVE-2018-18766 is a critical-severity vulnerability in Provisio Sitekiosk with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Provisio Sitekiosk
Published: 2019-03-29
Last modified: 2026-06-17

Description

An elevation of privilege vulnerability exists in the Call Dispatcher in Provisio SiteKiosk before 9.7.4905.

Frequently asked questions

What is CVE-2018-18766?: An elevation of privilege vulnerability exists in the Call Dispatcher in Provisio SiteKiosk before 9.7.4905.
How severe is CVE-2018-18766?: CVE-2018-18766 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-18766 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18766?: CVE-2018-18766 affects Provisio Sitekiosk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18766?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-18766 published?: CVE-2018-18766 was published on 2019-03-29 and last updated on 2026-06-17.

References

https://www.provisio.com/en-US/Downloads/VersionHistory.aspx?Product=SiteKiosk

Affected products (1)

cpe:2.3:a:provisio:sitekiosk:*:*:*:*:*:*:*:*